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SSC CHSL 7-March-2018 Shift 2 Paper
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© examsnet.com
Question : 7
Total: 100
If price of oranges is increased by 30%, then a person can buy 12 oranges less for Rs 208. What is the original price (in Rs) of an orange?
2
4
8
3
Validate
Solution:
Let price of oranges = Rs.
100
x
per kg
Oranges bought for Rs. 208 =
208
100
x
New price of oranges =
100
x
+
(
30
100
×
100
x
)
=
R
s
.
130
x
Oranges bought for Rs. 208 =
208
130
x
According to ques,
⇒
208
100
x
−
12
=
208
130
x
⇒
208
100
x
−
208
130
x
=
12
⇒
208
(
1
100
x
−
1
130
x
)
=
12
⇒
130
x
−
100
x
100
x
×
130
x
=
12
208
⇒
30
13000
x
=
3
52
⇒
x
=
3
1300
×
52
3
⇒
x
=
52
1300
=
1
25
∴ Original price =
100
×
1
25
=
R
s
.
4
© examsnet.com
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